5DFA
3D structure of the E323A catalytic mutant of Gan42B, a GH42 beta-galactosidase from G. stearothermophilus
Replaces: 4OJYEntity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C (A, B, C) | Beta-galactosidase | polymer | 686 | 80040.3 | 3 | UniProt (F8TRX0) Pfam (PF02449) Pfam (PF08532) Pfam (PF08533) | Geobacillus stearothermophilus | Beta-gal |
2 | D, H, L (A, B, C) | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) | |||
3 | E, F, G, I, J... (A, B, C) | GLYCEROL | non-polymer | 92.1 | 9 | Chemie (GOL) | |||
4 | P, Q, R (A, B, C) | water | water | 18.0 | 1120 | Chemie (HOH) |
Sequence modifications
A, B, C: 2 - 687 (UniProt: F8TRX0)
PDB | External Database | Details |
---|---|---|
Ala 323 | Glu 322 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 240120.9 | |
Non-Polymers* | Number of molecules | 12 |
Total formula weight | 1025.1 | |
All* | Total formula weight | 241146.0 |